Talent.com
Sr Network Engineer

Sr Network Engineer

NESC StaffingAndover, MA, US
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Job Description

Overview :

We are seeking a highly experienced Senior Network Engineer to lead the deployment, management, and maintenance of our enterprise-wide networking and telecommunications infrastructure. This includes oversight of LANs, WANs, Internet, VOIP, security, wireless networks, servers, firewalls, and telecom systems. The ideal candidate will have a strong technical foundation, vendor management experience, and a proactive approach to ensuring performance, security, and reliability across all network systems.

Key Responsibilities :

  • Design, configure, and manage network infrastructure to support reliable business operations and future scalability.
  • Direct and coordinate activities with managed service providers (e.G., Synoptek, telecom carriers, cabling vendors) to ensure adherence to best practices.
  • Monitor and troubleshoot network performance issues, providing timely resolution and root cause analysis.
  • Collaborate with engineering teams to assess near- and long-term network capacity needs.
  • Develop and maintain network documentation, including configurations, process flows, maps, and service records.
  • Implement policies, procedures, and training materials for network administration and usage.
  • Research and evaluate emerging technologies, protocols, and tools to support evolving business requirements.
  • Maintain accurate inventory of network assets and associated documentation.
  • Generate regular performance metrics and capacity reports.
  • Oversee hardware and software upgrades across networking infrastructure.
  • Establish and document processes to maintain 24 / 7 network availability.
  • Evaluate and recommend network operating system and equipment upgrades.
  • Implement and maintain security standards and controls to safeguard corporate network assets.
  • Interface with UNIX and Windows infrastructure teams to ensure seamless connectivity and optimal performance.
  • Provide after-hours and on-call support as needed.

Qualifications :

  • Bachelor’s degree in Computer Science, Information Technology, or related field.
  • Minimum 10+ years of experience in network engineering and administration.
  • Industry certifications (e.G., CCNP, CCIE) strongly preferred;equivalent experience with a demonstrated track record will be considered.
  • In-depth knowledge of TCP / IP, VLANs, routing protocols, and structured cabling standards.
  • Proficiency with packet capture analysis and use of network management tools.
  • Proven success in designing and implementing LAN, WAN, WLAN, and WWAN infrastructures.
  • Strong understanding of network security frameworks and best practices.
  • Hands-on experience with Cisco routers and switches (e.G., Catalyst 9300, 6509, 4510), Juniper, and F5 products (Netscreen, WAF, Load Balancers, TLS VPN).
  • Experience supporting and maintaining infrastructure in data center environments.
  • Familiarity with IT operations and challenges specific to manufacturing environments.
  • Experience managing PBX and VOIP systems (Avaya Definity or similar is a plus).
  • Familiarity with Observer or other network analysis tools.
  • Competent in testing procedures for voice / data circuits.
  • Strong interpersonal and communication skills, with the ability to work collaboratively and lead technical discussions.
  • Highly organized, self-directed, and detail-oriented with a customer-first mindset.
  • Able to lead and mentor junior staff and effectively manage vendor relationships.
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    Sr Network Engineer • Andover, MA, US